subsonic
21subsonic — adjective a) having a frequency too low to be audible b) less than the speed of sound (in the same medium, and at the same temperature and …
22subsonic — sub·son·ic (səb sonґik) infrasonic …
23subsonic — sub|son|ic [ˌsʌbˈsɔnık US ˈsa: ] adj slower than the speed of sound →↑supersonic …
24subsonic — sub son·ic || ‚sÊŒb sÉ‘nɪk / sÉ’n adj. of or pertaining to a speed that is less than that of sound in air; infrasonic, inaudible …
25subsonic — A flight in which the airflow over the aircraft structure is moving at a speed that is less than the local speed of sound …
26subsonic — adjective relating to or flying at a speed or speeds less than that of sound. Derivatives subsonically adverb …
27subsonic — sub·sonic …
28subsonic — sub•son•ic [[t]sʌbˈsɒn ɪk[/t]] adj. 1) phs noting or pertaining to a speed less than that of sound in air at the same height above sea level 2) phs infrasonic • Etymology: 1940–45 sub•son′i•cal•ly, adv …
29subsonic — /sʌbˈsɒnɪk/ (say sub sonik) adjective 1. (of sound frequencies) below the audible limit. 2. (of velocities) below the velocity of sound in the medium …
30subsonic — a. pertaining to or at a speed less than the speed of sound in air …
